Vehicle exterior vent unit



FIG. 1 is a perspective view of a vehicle exterior vent unit comprising a housing attached to a diffuser vent;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front perspective view thereof; and,

FIG. 5 is a front view thereof, with the housing removed to show detail of the diffuser vent.

The broken lines shown illustrate portions of the vehicle exterior vent unit that form no part of the claimed design. 

CLAIM I claim the ornamental design for a vehicle exterior vent unit, as shown and described. 